Martin Seligman said this quote

It's my belief that, since the end of the Second World War, psychology has moved too far away from its original roots, which were to make the lives of all people more fulfilling and productive, and too much toward the important, but not all-important, area of curing mental illness.

~ Martin Seligman

Psychology is much bigger than just medicine, or fixing unhealthy things. It's about education, work, marriage - it's even about sports. What I want to do is see psychologists working to help people build strengths in all these domains.

~ Martin Seligman

Positive thinking is the notion that if you think good thoughts, things will work out well. Optimism is the feeling of thinking things will be well and be hopeful.

~ Martin Seligman

If you were an optimistic teen, then you'll be an optimist at 80. People's reactions to bad events are highly stable over a half century or more.

~ Martin Seligman